合法萝莉违法正太
[hé fă luó lì wéi fă zhèng tài]
In English it's a bit complex: 'Legal Lolita (young-looking woman) yet Illegal Shota (young-looking man).' These terms originate from Japanese subcultures related to manga and anime, where this user is likely commenting on personal appearance and cultural trends, potentially in a playful manner.